D12121323331313223313233313131323133313233313132333132313121111
>>
D1212132333131322331323331313132313331323331313233313231312111
<<
D12121323331313223313233313131323133313233313132333132313121113
>>
D12121323331313223313233313131323133313233313132333132313121112
>>